Static task
static1
Behavioral task
behavioral1
Sample
less.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
less.exe
Resource
win10v2004-20240419-en
General
-
Target
less.exe
-
Size
363KB
-
MD5
e1af1bf27ee9eea77680a1f834b3943b
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SHA1
7351c1825e53a63d0018798c9bd525b94e50756e
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SHA256
d42cb5d32851e27164d93aa2c6fa62e8969677871de55f9ea150e3962b5cdad3
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SHA512
72f42222f1aba1a50aba15fce1a856aff0b0fb112adca134ffd075ffc8428486d499754cf74ffb29cf1707038fa4a2edb5efbd6565a72f9ff5a1d165bf3b0d91
-
SSDEEP
6144:mcwuR8BvprEXwnPwvvzdHzo2mbmsNHZyu34M/ir5Xy5+X9rT2P2B9:mcpR8B2ePwvbdTo2ZsNHfQycp
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource less.exe
Files
-
less.exe.exe windows:6 windows x64 arch:x64
52733a6112577edf8ec29fe2639c84c2
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
user32
SystemParametersInfoA
MessageBeep
kernel32
RaiseException
HeapReAlloc
HeapSize
GetConsoleTitleA
SetConsoleTitleA
GetStdHandle
CloseHandle
Sleep
MultiByteToWideChar
WideCharToMultiByte
GetConsoleMode
SetConsoleMode
ReadConsoleInputW
PeekConsoleInputW
WriteConsoleA
WriteConsoleW
FillConsoleOutputCharacterA
FillConsoleOutputAttribute
CreateConsoleScreenBuffer
SetConsoleActiveScreenBuffer
GetConsoleScreenBufferInfo
SetConsoleScreenBufferSize
SetConsoleCursorPosition
SetConsoleTextAttribute
ScrollConsoleScreenBufferA
GetConsoleOutputCP
SetConsoleTitleW
SetConsoleCtrlHandler
CreateFileA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
FlushFileBuffers
RtlUnwindEx
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
GetTimeZoneInformation
RtlPcToFileHeader
ExitProcess
GetModuleHandleExW
DuplicateHandle
CreateProcessW
FindClose
FindFirstFileExW
FindNextFileW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
WriteFile
GetModuleFileNameW
GetCommandLineA
GetCommandLineW
SetFilePointerEx
ReadFile
ReadConsoleW
HeapAlloc
HeapFree
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
DeleteFileW
MoveFileExW
WaitForSingleObject
GetExitCodeProcess
GetFileAttributesExW
CreatePipe
GetFullPathNameW
GetCurrentDirectoryW
SetStdHandle
GetFileSizeEx
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetStringTypeW
GetProcessHeap
SetEndOfFile
Sections
.text Size: 244KB - Virtual size: 244KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 83KB - Virtual size: 82KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ